Observations on the Proliferation of Stem Pith Parenchyma in Vitro. III. Growth and Development of Excised Stem Pith Cylinders of Sambucus nigra L. var. pendula Dipp.

Apart from some introductory remarks it was announced in the first publication of this series (Karstens, 1955) that a.o. the proliferation of stem pith in vitro of the variety pendula Dipp. of Sambucus nigra L. would be described. Although the anatomy of the untreated pith is very much alike that of the stem of Helianthus tuberosus L. the type of proliferation of Sambucus pith differs greatly from that of the Jerusalem Artichoke (Sevenster and Karstens, 1955).